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RGraph : svg : 直方图

JavaScriptRGraph 
阅读更多
www.rgraph.net 下载 RGraph.minified-2018-08-14.zip
解压后，将目录 libraries 简化为: lib
直方图例子: RGraph/svg_bar1.html 
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>RGraph : SVG Bar charts API </title>
  <script src="./lib/RGraph.svg.common.core.js"></script>
  <script src="./lib/RGraph.svg.common.key.js"></script>
  <script src="./lib/RGraph.svg.common.tooltips.js"></script>
  <script src="./lib/RGraph.svg.bar.js"></script>
</head>
<body>
    <div style="width: 750px; height: 300px" id="chart-bar"></div>
    <div id="tab"></div>
<script>
    var data = [8,5,9,3,5,2,4];
    var labels = ['周一','周二','周三','周四','周五','周六','周日'];
    var tips =  new Array();
    for (var i=0; i<data.length; i++) {
        tips[i] = labels[i] + ': ' + data[i];
    } 
    var bar = new RGraph.SVG.Bar({
        id: 'chart-bar',
        data: data,
        options: {
            gutterTop: 50,
            gutterBottom: 75,
            hmargin: 20,
            xaxisLabels: labels,
            tooltips: tips,                
            title: 'A basic Bar chart',
            titleSubtitle: 'A chart showing the daily totals for last week',
            titleSubtitleItalic: true,
            colors: ['red','pink'],
            shadow: true,
            shadowOpacity: 0.2
        }
    }).draw();
// create table
    var table = document.createElement("table");
    table.border = "1"; // table.width = "100%";
    var tb = document.createElement("tbody");
    table.appendChild(tb);
    //var tr = document.createElement("tr");
    var tr,td;
    tr = tb.insertRow(0); // 创建第一行
    for(var j=0; j<labels.length; j++){
        td = tr.insertCell(tr.cells.length);
        td.innerHTML = labels[j];
        td.align = "center";
    }
    tr = tb.insertRow(tb.rows.length); // 创建一行
    for(var j=0; j<data.length; j++){
        td = tr.insertCell(tr.cells.length);
        td.innerHTML = data[j];
        td.align = "center";
    }
    document.querySelector("#tab").appendChild(table);   
</script>
</body>
</html>
</body>
</html>
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| RGraph : svg : 饼图
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